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Author SHA1 Message Date
Eelco Dolstra 8160f794e7 derivation: Don't require certain function arguments
Turns out that in Nixpkgs, derivation is actually called without a
‘name’ argument in some places :-(
2014-04-04 21:53:47 +02:00
Eelco Dolstra c28de6d96e Pass position information to primop calls
For example:

  error: `tail' called on an empty list, at
    /home/eelco/Dev/nixpkgs/pkgs/applications/misc/hello/ex-2/default.nix:13:7
2014-04-04 18:59:29 +02:00
Eelco Dolstra 46a369ad95 Make "nix-build -A <derivation>.<output>" do the right thing
For example, given a derivation with outputs "out", "man" and "bin":

  $ nix-build -A pkg

produces ./result pointing to the "out" output;

  $ nix-build -A pkg.man

produces ./result-man pointing to the "man" output;

  $ nix-build -A pkg.all

produces ./result, ./result-man and ./result-bin;

  $ nix-build -A pkg.all -A pkg2

produces ./result, ./result-man, ./result-bin and ./result-2.
2012-11-26 15:39:10 +01:00
Eelco Dolstra a0477a458f * currentOutput -> outputName. "current" implies some temporal
aspect.
2012-01-04 12:00:39 +00:00
Eelco Dolstra b79b85ad76 * Export the original input attributes of the derivation in
‘drvAttrs’.  This will simplify the implementation of functions such
  as ‘overrideDerivation’ in Nixpkgs, which need to filter out any
  added attributes such as outPath.
2012-01-04 11:56:15 +00:00
Eelco Dolstra 83647f4ef1 * Simplify the implementation of "derivation" a bit: lift out the
common attribution so that they're evaluated only once, etc.  Note
  that the default output is now the first element of the "outputs"
  attribute, rather than the first element of the sorted list of
  outputs.  This seems more user-friendly.
2012-01-04 11:04:19 +00:00
Eelco Dolstra 71f3c46cf6 * Drop the inefficient "Path" suffix in output attribute names. 2012-01-03 15:27:18 +00:00
Eelco Dolstra 921111d197 * Move the implementation of the ‘derivation’ primop into a separate
file.
2012-01-03 14:01:47 +00:00